David's Astronomy Pages CCD Images - Session 837 (2020-12-02)

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Session Notes

C/2019 L3 (ATLAS) - Comet NGC 514 - Spiral Galaxy with Type Ia Supernova 2020uxz 156P/Russell-LINEAR - Comet C/2020 M3 (Atlas) - Comet UGC 678 - Spiral Galaxy with Type II Supernova 2020abjq 29P/Schwassmann-Wachmann - Comet KIC 8462852 - Variable Star (Tabby's Star)     Variable Stars (photometric monitoring) - RX And, U And, Z And, TT Ari, CI Cyg, SS Cyg, BL Lac, DY Per GK Per, ER UMa     Nearby Stars (astrometric monitoring) - Groombridge 34, Teegardens Star

- Night session (4.1 hours) - Main aims of the session were the acquisition of a selection of variable star, nearby star and comet targets and deep sky targets if possible (allowing for bright moonlit skies) - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 1.5°C (min) - CCD Temperature:  -20°C - Notes from 2020-12-02 >>      -

C/2019 L3 (ATLAS) - Comet

C/2019 L3 (ATLAS) (passing through Cassiopeia) Sun Distance 5.02 AU (approaching) Earth Distance 4.48 AU (669.7 million km)		C/2019 L3 (ATLAS)  - 2020-12-02, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 7.21 arcsec/hr, Dec -20.43 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 5 x 45s exposure (average combine), 3x3 binning, C Filter 2020-12-02 18:46 UT (#837030-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, square root scale, cropped) Image details as left
Images of C/2019 L3 (ATLAS) on Comets 2020 Page >>

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NGC 514 - Spiral Galaxy with Type Ia Supernova 2020uxz

NGC 514 (Pisces) SN 2020uxz (Type 1a), discovered 2020/10/05.573 by Koichi Itagaki  (Rochester Supernova site | Discovery Image | )

NGC 514 with SN 2020uxz -2020-12-02 (T+58.2) Image below (2020-12-02.794) was taken 58.2 days after discovery of SN 2020uxz SN is shown by white cross hairs.  Magnitude +15.4

Annotated CCD Image  (100% size, square root scale, cropped) 2 x 120s exposure (average combine), 3x3 binning, C Filter 2020-12-02 19:04 UT (#837041-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2020uxz (NGC 514) on Supernovae 2020 Page >>

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156P/Russell-LINEAR - Comet

156P/Russell-LINEAR (passing through Pisces) Sun Distance 1.34 AU (receeding) Earth Distance 0.59 AU (88.9 million km)		156P/Russell-LINEAR - 2020-12-02, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 66.04 arcsec/hr, Dec 104.12 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2020-12-02 19:42 UT (#837067-68) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, square root scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2020-12-02 19:45 UT (#837067-75) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 156P/Russell-LINEAR on Comets 2020 Page >>

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C/2020 M3 (Atlas) - Comet

C/2020 M3 (Atlas) (passing through Taurus) Sun Distance 1.39 AU (receeding) Earth Distance 0.41 AU (61.2 million km) Image affected by bright moon lit sky and glare (Moon 94% phase, separation 17 deg)		C/2020 M3 (Atlas) - 2020-12-02, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -16.15 arcsec/hr, Dec 157.01 arcsec/hr)
CCD Image (50% size, square root scale) 2 x 15s exposure (average combine), 3x3 binning, C Filter 2020-12-02 20:44 UT (#837117-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, square root scale, cropped) 15 x 15s exposure (average combine), 3x3 binning, C Filter 2020-12-02 20:47 UT (#837117-31) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2020 M3 (Atlas) on Comets 2020 Page >>

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UGC 678 - Spiral Galaxy with Type II Supernova 2020abjq

UGC 678 with SN 2020abjq  (Pisces) Alias: ATLAS20bgkm SN 2020abjq (Type II, zhost=0.018433) discovered 2020/12/02.377 UT by ATLAS  (Rochester Supernova site | )

UGC 678 with AT2020abjq  - 2020-12-02 (T+0.5d) Image below (2020-12-02.890) was taken 0.51 days after discovery of AT2020abjq SN is shown by white cross hairs.  Magnitude +16.4

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-12-02 21:22 UT (#837150-54) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 678 with AT2020abjq - Wider View

Annotated CCD Image  (50% size, square root scale) Image details as above

Images of AT2020abjq (UGC 678) on Supernovae 2020 Page >>

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29P/Schwassmann-Wachmann - Comet

29P/Schwassmann-Wachmann (passing through Aries) Sun Distance 5.84 AU (receeding ?) Earth Distance 4.98 AU (744.6 million km)		29P/Schwassmann-Wachmann  - 2020-12-02, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -13.15 arcsec/hr, Dec -7.17 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2020-12-02 22:23 UT (#837184-87) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, square root scale, cropped) Image details as left
Images of 29P/Schwassmann-Wachmann on Comets 2020 Page >>

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KIC 8462852 - Variable Star (Tabby's Star)

KIC 8462852 / Tabby's Star (Cygnus) Alias: Boyajian's Star, WTF Star ("Where’s the Flux?") Distance 1470 ly. Magnitude +11.7 Star shows large irregular dimmings. Measured Mag +11.94 (C), + 11.82 (V)

Annotated CCD Image  (50% size, linear scale) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2020-12-02 21:38 UT (#837157-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

KIC 8462852  - Detail

Annotated CCD Image  (100% size, linear scale, cropped) Image details as above

KIC 8462852 Links: AAVSO Info : https://www.aavso.org/category/tags/kic-8462852 Unofficial Page for Where's the Flux? Discovery Paper:  1509.03622.pdf (arxiv.org)

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